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Description
Comet's 8-inch 108 EXP is designed for high horsepower applications up to 150 HP which exceeds the limits of the well-known 7.5 inch Comet 102C. Specifications on the EXP are the same as the familiar 108C. Comet's open faced design has delivered unsurpassed reliability, easy servicing and unlimited tuning capabilities for decades on both stock sleds and on mods. The EXP will handle engagement speeds up to 5000 RPM.
FEATURES
- Wider roller for increased bearing area. Increases durability
- Larger diameter floating cam arm bolt for increased wear resistance
- Uses same tuning parts as 108C
- Built to handle high horsepower engines
- Continual/consistent smooth shifting, after hours of use
- Tried and tested in high horsepower machines
- Weights and springs are not included
Technical Specifications
- MFG. Part Number 217504A
Vehicle Information
Ski-Doo Formula MXZ 440 Snowmobile (1995)
The 1995 Ski-Doo Formula MXZ 440 was a prominent snowmobile, equipped with a new 440cc liquid-cooled Rotax twin engine featuring RAVE (Rotax Automatic Variable Exhaust) technology. This engine, a significant update from previous models, was estimated by enthusiasts to produce between 75 and 100 horsepower. For 1995, the Formula MXZ 440 also received notable upgrades including rebuildable shocks and a hydraulic brake, enhancing its performance and rider experience compared to the 1994 model. While the Formula MXZ 440 was the primary trim, a potential MXZ X 440 variant was also available, offering an upgraded package. The 1995 model year marked a key transition for the MXZ line. It introduced the new 440cc RAVE engine and other improvements. Following this, the 1996 model year brought a more substantial change with the introduction of the lighter "S chassis" and new engine options (583cc and 670cc), signifying a new generation for the MXZ series. Therefore, parts compatibility can differ significantly between the 1995 and 1996 models. FAQ:
Q: How do I ensure I select the correct parts for my 1995 Ski-Doo Formula MXZ 440?
A: Always use the year and model selector on this page to confirm compatibility, especially given the generational changes around this period.
Maintenance
| Component | Interval | Details |
| Oil injection reservoir level | Before every ride | Keep full to prevent engine damage. |
| Drive belt | Inspect before every ride | Replace if worn, cracked, or frayed. Consider replacing at the start of the season. |
| Spark plugs | Annually or more often | Replace before each season. Gap: 0.4 mm. |
| Air filter | Inspect every 25 to 50 hours | Replace as needed. More frequent inspection/replacement in harsh conditions. |
| Coolant | Every 2 to 5 years |